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A109918 as a simple table

na(n)
16
21
36
41
56
61
78
86
97
102
114
124
134
145
157
161
178
180
193
202
217
224
231
245
252
264
279
288
292
309
311
327
338
346
353
363
373
385
391
401
413
428
439
441
456
467
474
485
496
504
516
528
533
546
550
567
571
589
598
603
612
625
636
644
658
663
676
684
698
709
714
722
739
741
751
769
776
781
794
805
813
820
835
841
857
868
875
880
897
900
912
928
939
941
957
961
974
981
997
1009
1013
1022
1034
1040
1059

[6,1,6,1,6,1,8,6,7,2,4,4,4,5,7,1,8,0,3,2,7,4,1,5,
 2,4,9,8,2,9,1,7,8,6,3,3,3,5,1,1,3,8,9,1,6,7,4,5,6,
 4,6,8,3,6,0,7,1,9,8,3,2,5,6,4,8,3,6,4,8,9,4,2,9,1,
 1,9,6,1,4,5,3,0,5,1,7,8,5,0,7,0,2,8,9,1,7,1,4,1,7,
 9,3,2,4,0,9]